Omtech SH-G1610 User Manual page 76

5 Maintenance
Reattaching the Focus Lens
1. Carefully insert the lens into the lens holder, ensuring that its rounded convex side is facing
upwards.
2. Put the O-ring on top of the lens.
3. Carefully reassemble nozzle, the lens holder, the red dot pointer and the air hose in reverse
order.
5.2.4 Cleaning the Mirrors
The mirrors should be similarly cleaned if there is any debris or haze on their surface. Otherwise, your
laser will be less efficient and could have permanent damage on the mirrors.
Cleaning Frequency: Once a week, after each use
Tools Needed:
• Lens-cleaning liquid
• Lens tissue or cloth
This machine has 3 mirrors used during working, for their locations and cleaning methods, see below:
1st Mirror
2nd Mirror
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3rd Mirror